If there was a gap, you need to repeat the whole wudhu. But if it is at the same time of wudhu and the limbs are still wet, you must wash the forgotten area and continue as if you didn’t wash the rest and wash them again.
If there was a gap, you need to repeat the whole wudhu. But if it is at the same time of wudhu and the limbs are still wet, you must wash the forgotten area and continue as if you didn’t wash the rest and wash them again.